Decompresses and/or decrypts a data from the specified stream.
function ECLDecompressStream(InStream,OutStream: TStream; Password: String = ''): Boolean;
Call ECLDecompressStream to decompress and/or decrypt data from the source stream to the specified destination stream.
This function returns True if the decompression and/or decryption completed without errors or False if any error occurred.
InStream represents the source stream with compressed and/or encrypted data.
OutStream is a stream that contains the decompressed and/or decrypted data.
If Password is not blank, it is used to decrypt the data.